Diseases Caused By Toxoplasma Gondii Cat Parasite

Toxoplasma gondii is a protozoan belonging to the spore layer (Coccidia), in the wild rodent species Ctenodactylus gundi. Because the main host of this parasite is usually from a cat or cat-like animals belonging to the cat family, it is often referred to as a cat parasite. This parasite (KST) was first found in humans in 1916 in Ceylan. The first case of Toxoplasma gondii was described in 1923. Congenital Toxoplasma was known in 1937, discovered by Wolf

. The disease is common and common, but only serious for the fetus and people with immunodeficiency, especially AIDS patients
Shape: there are 3 types
Type of activity: has a sickle, a large head or a small head, size 5-7 x 1- 3μm. There are two types: one grows rapidly, proliferate rapidly in the cell and rupture the host cell, which is seen during the acute phase of the disease. The second type is a slow-growing, non-rupture form of host cell that produces cysts, typical for the chronic phase, that persist in the host The fast and the slow actives are similar in form, but the slow form reduces metabolic activity The active form is rapidly destroyed when chlohydric acid is encountered.
Cystic form: spherical, 20-100μm in diameter, containing hundreds of small germs inside.



. They are found in the acute phase. Cysts are especially abundant in antibody-poor (nerve) tissues. In tissues, cysts persist for a long time, and the parasite inside the cyst secretes antigens, antigens through the membrane, escapes and maintains the immune system. Cysts are a type of tissue resistant and infectious agent. Temperatures below 45ᵒC, stomach chlohydric acid does not kill it
Cystic form: ovoid, size 14μm x 9μm, inside there are 2 follicle spores Each spore contains 4 germs. This form parasites in the small intestinal epithelial cells, the last form of sexual reproduction in cats, is resistant and is dispersed in the soil.
Life cycle of the parasite Toxoplasma gondii and the invasion process cause disease in humans
The development cycle of Toxoplasma gondii cat parasite
Consists of 2 cycles: sexual reproduction and asexual reproduction. They parasitize mainly in cats and cat-like animals.



. Asexual and sexual reproduction cycles can occur simultaneously or alternatively. In intermediate hosts, there is only asexual reproduction.
a) Complete cycle: including sexual and asexual cycle, only occurs in cats.
Cats can get cystic eggs (in the soil) or fake cysts (when eating rats or birds ..). Enter the cat's intestines, digestive eggs or cysts will break open, release paste. They become active and enter the small intestinal epithelial cells, dividing asexually into schizophrenia. When the schizophrenia breaks down, the active body invades another cell to produce a new active form or the male and female gamete.



. The combination of male and female gamete produces follicle. Cysts are shed in the feces, becoming an infectious agent
b) Incomplete cycle: called asexual reproduction cycle. Occurs in many intermediate hosts.
People infected by swallowing follicles or ingesting artificial cysts in uncooked meat, etc. Entering the host's intestines, the larvae in the follicle follicles are released to parasitize the cells of the retina. , the brain, muscles, become new actives. When living in the host cell, they actively reproduce, by dividing into new generations, rapidly increasing the number, invading new cells, causing an acute form. This stage is dangerous for the fetus, if the mother is infected with Toxoplasma gondii.
Testing and treating Toxoplasma gondii cat parasite
Before attempting to conceive, women should remember to visit the specialist clinic for parasitic helminths to be examined and tested for blood by Toxoplasma gondii.



To prevent infection with the parasite Toxoplasma gondii, will be detected promptly and thoroughly treated by a specialist. That is the step to prepare for the birth of healthy children.
Group doctor Anh Anh PK and KTV. KHONG VY.

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